import { Button, Col, Form, Input, message, Row } from "antd";
import { useForm } from "antd/es/form/Form";
import { useEffect, useState } from "react";
import { useSelector } from "react-redux";
import axiosInstance from "../../api/axios";
import { selectUserId } from "../../features/auth/authSlice";

export default function UserDetail() {
  const [form] = useForm();
  const [showPassword, setShowPassword] = useState(false);
  const [user, setUser] = useState({
    username: "",
    team: "",
    name: "",
    phone: "",
  });
  const userId = useSelector(selectUserId);

  const fetchUser = async (userId) => {
    const user = await axiosInstance.get(`/userdetail/${userId}`);
    setUser(user);
    form.setFieldsValue(user);
  };

  useEffect(() => {
    fetchUser(userId);
  }, []);

  const handleReset = () => {
    form.resetFields();
  };

  const handleSubmit = async (values) => {
    if (values.password && values.password !== values.confirmPassword) {
      message.error("两次输入的密码不一致");
      return;
    }
    const changedFields = {};
    for (const key in values) {
      if (values[key] !== user[key] && values[key] !== undefined) {
        changedFields[key] = values[key];
      }
    }
    delete changedFields.confirmPassword;

    const newUser = await axiosInstance.patch(`/user/${userId}`, changedFields);
    setUser(newUser);
    form.setFieldsValue(newUser);
    message.success("修改成功");
  };

  return (
    <div className="p-6">
      <Form
        requiredMark={false}
        variant="borderless"
        form={form}
        initialValues={user}
        onFinish={handleSubmit}
      >
        <Row gutter={16}>
          <Col span={12}>
            <Form.Item label="账号">
              <Input disabled value={user.username} />
            </Form.Item>
          </Col>
          <Col span={12}>
            <Form.Item label="所属团队">
              <Input disabled value={user.team} />
            </Form.Item>
          </Col>
        </Row>
        <Row gutter={16}>
          <Col span={12}>
            <Form.Item
              name="name"
              label="姓名"
              rules={[{ required: true, message: "请输入姓名" }]}
            >
              <Input />
            </Form.Item>
          </Col>
          <Col span={12}>
            <Form.Item
              name="phone"
              label="联系电话"
              rules={[{ required: true, message: "请输入联系电话" }]}
            >
              <Input value={user.phone} />
            </Form.Item>
          </Col>
        </Row>
        {showPassword && (
          <>
            <Row gutter={16}>
              <Col span={12}>
                <Form.Item
                  name="password"
                  label="新密码"
                  rules={[{ required: true, message: "请输入新密码" }]}
                >
                  <Input.Password />
                </Form.Item>
              </Col>
              <Col span={12}>
                <Form.Item
                  name="confirmPassword"
                  label="确认新密码"
                  dependencies={["password"]}
                  rules={[
                    { required: true, message: "请再次输入新密码" },
                    ({ getFieldValue }) => ({
                      validator(_, value) {
                        if (!value || getFieldValue("password") === value) {
                          return Promise.resolve();
                        }
                        return Promise.reject(new Error("两次输入密码不一致"));
                      },
                    }),
                  ]}
                >
                  <Input.Password />
                </Form.Item>
              </Col>
            </Row>
          </>
        )}
        <Row justify="center" gutter={8}>
          <Col>
            <Button
              type="dashed"
              onClick={() => setShowPassword(!showPassword)}
            >
              {showPassword ? "取消修改密码" : "修改密码"}
            </Button>
          </Col>
          <Col>
            <Button onClick={handleReset}>重置修改</Button>
          </Col>
          <Col>
            <Form.Item>
              <Button type="primary" htmlType="submit">
                保存修改
              </Button>
            </Form.Item>
          </Col>
        </Row>
      </Form>
    </div>
  );
}